Inventor
JOHNSON MICHAEL THOMAS
US23 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON MICHAEL THOMAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEAGATE TECHNOLOGY LLC
20 patentsUS9202499B2Dec 1, 2015
Contact detection using laser modulation
SEAGATE TECHNOLOGY LLC28 citations91
US9390741B2Jul 12, 2016
Head transducer with multiple resistance temperature sensors for head-medium spacing and contact detection
SEAGATE TECHNOLOGY LLC4 citations84
US9153276B2Oct 6, 2015
Laser optical power monitoring using thermal sensor of a head transducer
SEAGATE TECHNOLOGY LLC12 citations84
US9685182B1Jun 20, 2017
Non-contact laser-induced protrusion measurement apparatus and method
SEAGATE TECHNOLOGY LLC12 citations83
US8995076B1Mar 31, 2015
Head-medium contact detection using electromagnetic attraction
SEAGATE TECHNOLOGY LLC18 citations83
US8873352B1Oct 28, 2014
Light mitigation layer between write pole and waveguide
SEAGATE TECHNOLOGY LLC14 citations83
US8837070B1Sep 16, 2014
Capacitive clearance detection for a magnetic head
SEAGATE TECHNOLOGY LLC16 citations83
US9916847B1Mar 13, 2018
Magnetic recording device capable of detecting contamination buildup at a head-disk interface
SEAGATE TECHNOLOGY LLC7 citations82
US11120826B1Sep 14, 2021
Digital storage system that includes sensor and circuit to determine contact and/or distance between read/write head and data storage medium
SEAGATE TECHNOLOGY LLC2 citations73
US9858953B1Jan 2, 2018
Method of removing head contamination during contact detection
SEAGATE TECHNOLOGY LLC6 citations73
US9454986B2Sep 27, 2016
Laser optical power monitoring using thermal sensor of a head transducer
SEAGATE TECHNOLOGY LLC4 citations73
US9036290B2May 19, 2015
Head transducer with multiple resistance temperature sensors for head-medium spacing and contact detection
SEAGATE TECHNOLOGY LLC3 citations73
US9940959B1Apr 10, 2018
Non-contact laser-induced protrusion measurement apparatus and method
SEAGATE TECHNOLOGY LLC2 citations72
US11389924B2Jul 19, 2022
Methods of lapping while heating one or more features, and related sliders, row bars, and systems
SEAGATE TECHNOLOGY LLC3 citations70
US9042050B2May 26, 2015
Head transducer with multiple resistance temperature sensors for head-medium spacing and contact detection
SEAGATE TECHNOLOGY LLC1 citations62
US9159349B2Oct 13, 2015
Writer core incorporating thermal sensor having a temperature coefficient of resistance
SEAGATE TECHNOLOGY LLC3 citations60
US11691242B2Jul 4, 2023
Methods of lapping while heating one or more features, and related sliders, row bars, and systems
SEAGATE TECHNOLOGY LLC0 citations59
US10803886B1Oct 13, 2020
Bond-pad sharing for head-level thermocouple
SEAGATE TECHNOLOGY LLC1 citations58
US9679598B2Jun 13, 2017
Writer core incorporating thermal sensor having a temperature coefficient of resistance
SEAGATE TECHNOLOGY LLC0 citations49
US9135938B2Sep 15, 2015
Contact detection
SEAGATE TECHNOLOGY LLC1 citations48